geolocator_add

lab5/main.js

@@ -61,3 +61,31 @@ register_geocoder = function (mapInstance) {
 }
 
 register_geocoder(map)
+
+function registerGeoLocate(mapInstance) {
+  mapInstance.locate({ setView: true, maxZoom: 16 });
+
+  function onLocationFound(e) {
+    var radius = e.accuracy;
+
+    let m = L.marker(e.latlng).addTo(map)
+      .bindPopup("You are within " + radius.toFixed(1) + " meters from this point").openPopup();
+
+    let c = L.circle(e.latlng, radius).addTo(map);
+
+    setTimeout(function () {
+      mapInstance.removeLayer(m);
+      mapInstance.removeLayer(c);
+    },
+      25000);
+  }
+
+  mapInstance.on('locationfound', onLocationFound);
+
+  function onLocationError(e) {
+    alert(e.message);
+  }
+
+  mapInstance.on('locationerror', onLocationError);
+}
+registerGeoLocate(map)